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    3. QT QColor颜色选择器并获取rgb值

    QT QColor颜色选择器并获取rgb值

    xiaoxiao2021-03-26  50

    QColorDialog color;//调出颜色选择器对话框 QColor c = color.getRgba(); //c.red(), c.green(), c.blue()是分别对应的rgb值

    应用在PCL中

    void PCLVisualizer::colorSelector() { QColorDialog color; QColor c = color.getRgba(); pcl::visualization::PointCloudColorHandlerCustom<pcl::PointXYZ> pointColor(clicked_points_3d, c.red(), c.green(), c.blue()); viewer->addPointCloud(clicked_points_3d, pointColor, cloudName); viewer->setPointCloudRenderingProperties(pcl::visualization::PCL_VISUALIZER_POINT_SIZE, 3, cloudName); ui.qvtkWidget->update(); }

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